From: Dave Cheney <dave@cheney.net>
Date: Fri, 3 Jan 2014 21:25:09 +0000 (+1100)
Subject: os: return ErrInvalid if receiver is nil.
X-Git-Tag: go1.3beta1~1065
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=f2e946f9ed28e85f6f6dcd2862c9247240390ecd;p=gostls13.git

os: return ErrInvalid if receiver is nil.

Fixes #7043.

Test coming in https://golang.org/cl/46820043

R=r, bradfitz
CC=golang-codereviews
https://golang.org/cl/38330045
---

diff --git a/src/pkg/os/file_posix.go b/src/pkg/os/file_posix.go
index 90838682b6..4a17877547 100644
--- a/src/pkg/os/file_posix.go
+++ b/src/pkg/os/file_posix.go
@@ -144,7 +144,7 @@ func (f *File) Truncate(size int64) error {
 // of recently written data to disk.
 func (f *File) Sync() (err error) {
 	if f == nil {
-		return syscall.EINVAL
+		return ErrInvalid
 	}
 	if e := syscall.Fsync(f.fd); e != nil {
 		return NewSyscallError("fsync", e)